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Nature Medicine 15, 349 (2009)
doi:10.1038/nm0409-349a

Biosafety bungle leads to bird flu contamination

Cassandra Willyard1

  1. New York

In February, a group of experimental ferrets at a research facility in the Czech Republic fell ill. The ferrets had recently been injected with a culture containing what was believed to be a straight shot of the seasonal influenza virus, but their symptoms were severe and wholly unexpected.